Python QCheckBox.setEnabled方法代码示例

# 需要导入模块: from PyQt4.Qt import QCheckBox [as 别名]
# 或者: from PyQt4.Qt.QCheckBox import setEnabled [as 别名]
class MakeBrickDialog(QDialog):
    def __init__(self, parent, modal=True, flags=Qt.WindowFlags()):
        QDialog.__init__(self, parent, flags)
        self.setModal(modal)
        self.setWindowTitle("Convert sources to FITS brick")
        lo = QVBoxLayout(self)
        lo.setMargin(10)
        lo.setSpacing(5)
        # file selector
        self.wfile = FileSelector(self, label="FITS filename:", dialog_label="Output FITS file", default_suffix="fits",
                                  file_types="FITS files (*.fits *.FITS)", file_mode=QFileDialog.ExistingFile)
        lo.addWidget(self.wfile)
        # reference frequency
        lo1 = QHBoxLayout()
        lo.addLayout(lo1)
        lo1.setContentsMargins(0, 0, 0, 0)
        label = QLabel("Frequency, MHz:", self)
        lo1.addWidget(label)
        tip = """<P>If your sky model contains spectral information (such as spectral indices), then a brick may be generated
    for a specific frequency. If a frequency is not specified here, the reference frequency of the model sources will be assumed.</P>"""
        self.wfreq = QLineEdit(self)
        self.wfreq.setValidator(QDoubleValidator(self))
        label.setToolTip(tip)
        self.wfreq.setToolTip(tip)
        lo1.addWidget(self.wfreq)
        # beam gain
        lo1 = QHBoxLayout()
        lo.addLayout(lo1)
        lo1.setContentsMargins(0, 0, 0, 0)
        self.wpb_apply = QCheckBox("Apply primary beam expression:", self)
        self.wpb_apply.setChecked(True)
        lo1.addWidget(self.wpb_apply)
        tip = """<P>If this option is specified, a primary power beam gain will be applied to the sources before inserting
    them into the brick. This can be any valid Python expression making use of the variables 'r' (corresponding
    to distance from field centre, in radians) and 'fq' (corresponding to frequency.)</P>"""
        self.wpb_exp = QLineEdit(self)
        self.wpb_apply.setToolTip(tip)
        self.wpb_exp.setToolTip(tip)
        lo1.addWidget(self.wpb_exp)
        # overwrite or add mode
        lo1 = QHBoxLayout()
        lo.addLayout(lo1)
        lo1.setContentsMargins(0, 0, 0, 0)
        self.woverwrite = QRadioButton("overwrite image", self)
        self.woverwrite.setChecked(True)
        lo1.addWidget(self.woverwrite)
        self.waddinto = QRadioButton("add into image", self)
        lo1.addWidget(self.waddinto)
        # add to model
        self.wadd = QCheckBox("Add resulting brick to sky model as a FITS image component", self)
        lo.addWidget(self.wadd)
        lo1 = QHBoxLayout()
        lo.addLayout(lo1)
        lo1.setContentsMargins(0, 0, 0, 0)
        self.wpad = QLineEdit(self)
        self.wpad.setValidator(QDoubleValidator(self))
        self.wpad.setText("1.1")
        lab = QLabel("...with padding factor:", self)
        lab.setToolTip("""<P>The padding factor determines the amount of null padding inserted around the image during
      the prediction stage. Padding alleviates the effects of tapering and detapering in the uv-brick, which can show
      up towards the edges of the image. For a factor of N, the image will be padded out to N times its original size.
      This increases memory use, so if you have no flux at the edges of the image anyway, then a pad factor of 1 is
      perfectly fine.</P>""")
        self.wpad.setToolTip(lab.toolTip())
        QObject.connect(self.wadd, SIGNAL("toggled(bool)"), self.wpad.setEnabled)
        QObject.connect(self.wadd, SIGNAL("toggled(bool)"), lab.setEnabled)
        self.wpad.setEnabled(False)
        lab.setEnabled(False)
        lo1.addStretch(1)
        lo1.addWidget(lab, 0)
        lo1.addWidget(self.wpad, 1)
        self.wdel = QCheckBox("Remove from the sky model sources that go into the brick", self)
        lo.addWidget(self.wdel)
        # OK/cancel buttons
        lo.addSpacing(10)
        lo2 = QHBoxLayout()
        lo.addLayout(lo2)
        lo2.setContentsMargins(0, 0, 0, 0)
        lo2.setMargin(5)
        self.wokbtn = QPushButton("OK", self)
        self.wokbtn.setMinimumWidth(128)
        QObject.connect(self.wokbtn, SIGNAL("clicked()"), self.accept)
        self.wokbtn.setEnabled(False)
        cancelbtn = QPushButton("Cancel", self)
        cancelbtn.setMinimumWidth(128)
        QObject.connect(cancelbtn, SIGNAL("clicked()"), self.reject)
        lo2.addWidget(self.wokbtn)
        lo2.addStretch(1)
        lo2.addWidget(cancelbtn)
        self.setMinimumWidth(384)
        # signals
        QObject.connect(self.wfile, SIGNAL("filenameSelected"), self._fileSelected)
        # internal state
        self.qerrmsg = QErrorMessage(self)

    def setModel(self, model):
        self.model = model
        pb = self.model.primaryBeam()
        if pb:
            self.wpb_exp.setText(pb)
#.........这里部分代码省略.........